PHP Vulnerability Responses by Company

クリスタルメソッド株式会社

Japan-based services
Aliases / services
クリスタルメソッド株式会社 / Crystal Method
Official website
https://crystal-method.com/
Sources identifying the operating company

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Crystal Method website and contact form

Response status
Switched to PHP 8.3.36
Response information checked
2026-10-28

Current re-audit: Official response verified · Research date: 2026-10-28

AI system development and implementation support

The company reports switching production PHP to 8.3.36 on the afternoon of October 22, then checking 96 public pages and contact-form submission.

Scope: Work performed on the official website; no inference that advertised AI interview or role-play service infrastructure is patched.

What users should do

Use normally.

Official service URL

Source URLs

  1. PHP vulnerability responsehttps://crystal-method.com/blog/php2shell-ai-vulnerability-response-part2/Response evidence
  2. https://crystal-method.com/news/https://crystal-method.com/news/Service and operation documentation
  3. Organization and operator informationhttps://crystal-method.com/company/Service and operation documentation
  4. https://crystal-method.com/blog/https://crystal-method.com/blog/Service and operation documentation
Related official sources
  1. PHP vulnerability responseOfficial notice
  2. Organization and operator informationOfficial information directory

Comments